PIC18F6585-I/PT Microchip Technology Inc., PIC18F6585-I/PT Datasheet - Page 93
PIC18F6585-I/PT
Manufacturer Part Number
PIC18F6585-I/PT
Description
64 PIN, 48 KB FLASH, 3328 RAM, 52 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F6585-IPT.pdf
(496 pages)
Specifications of PIC18F6585-I/PT
A/d Inputs
12-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
1024 Bytes
Input Output
53
Interface
CAN/I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
64-pin TQFP
Programmable Memory
48K Bytes
Ram Size
3.3K Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F6585-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F6585-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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EXAMPLE 5-3:
2004 Microchip Technology Inc.
ERASE_BLOCK
WRITE_BUFFER_BACK
PROGRAM_LOOP
WRITE_WORD_TO_HREGS
PROGRAM_MEMORY
Required
Sequence
Required
Sequence
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
BCF
BSF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
NOP
BSF
TBLRD*-
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
MOVLW
MOVWF
MOVFW
MOVWF
TBLWT+*
DECFSZ
BRA
BSF
BCF
BSF
BCF
MOVLW
MOVWF
MOVLW
MOVWF
BSF
NOP
BSF
DECFSZ
BRA
BCF
WRITING TO FLASH PROGRAM MEMORY (CONTINUED)
upper(CODE_ADDR)
TBLPTRU
high(CODE_ADDR)
TBLPTRH
low(CODE_ADDR)
TBLPTRL
EECON1, EEPGD
EECON1, CFGS
EECON1, WREN
EECON1, FREE
INTCON, GIE
55h
EECON2
0AAh
EECON2
EECON1, WR
INTCON, GIE
8
COUNTER_HI
high(BUFFER_ADDR)
FSR0H
low(BUFFER_ADDR)
FSR0L
8
COUNTER
POSTINC0, W
TABLAT
COUNTER
WRITE_WORD_TO_HREGS
EECON1, EEPGD
EECON1, CFGS
EECON1, WREN
INTCON, GIE
55h
EECON2
0AAh
EECON2
EECON1, WR
INTCON, GIE
COUNTER_HI
PROGRAM_LOOP
EECON1, WREN
PIC18F6585/8585/6680/8680
; load TBLPTR with the base
; address of the memory block
; point to Flash program memory
; access Flash program memory
; enable write to memory
; enable Row Erase operation
; disable interrupts
; write 55H
; write AAH
; start erase (CPU stall)
; re-enable interrupts
; dummy read decrement
; number of write buffer groups of 8 bytes
; point to buffer
; number of bytes in holding register
; get low byte of buffer data
; present data to table latch
; write data, perform a short write
; to internal TBLWT holding register.
; loop until buffers are full
; point to Flash program memory
; access Flash program memory
; enable write to memory
; disable interrupts
; write 55h
; write 0AAh
; start program (CPU stall)
; re-enable interrupts
; loop until done
; disable write to memory
DS30491C-page 91
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